using Godot; public static class ResourceManager { /// <summary> /// 2D阴影的材质 /// </summary> public static ShaderMaterial ShadowMaterial { get { if (_shadowMaterial == null) { _shadowMaterial = ResourceLoader.Load<ShaderMaterial>("res://resource/materlal/Shadow.tres"); } return _shadowMaterial; } } private static ShaderMaterial _shadowMaterial; }